how the El Niño event affected the weather, food production, water supply, or human health?

El Niño was responsible for the following events in 2015:

16 tropical cyclones in the central Pacific hurricane basin

three category 4 hurricanes occurred at the same time

emergency water rationed in St. Lucia and San Juan

65 percent of Antigua's farmers went out of business

northern, central, and southeastern Ethiopian highlands received 50–90 percent of their normal rainfal.